Answer:
1.125 and 0.5625
Explanation:
Hello there!
It seems that every term is dividing by 2 to get the next term
18/9=2
9/4.5=2
So to find the next terms we just divide the previous term by 2
2.25/2=1.125
1.125/2=0.5625
so the next two terms would be 1.125 and 0.5625
~TheMathWiz